arizent (242)
crain communications inc. (mi) (43)
elsevier bv (40)
wiley-blackwell (40)
lippincott williams & wilkins (39)
dow jones & company inc (34)
elsevier inc. (32)
elsevier b.v. (26)
wiley (25)
media source, inc. (22)
elsevier ltd (18)
sage publications inc. (17)
springer nature (16)
elsevier (15)
mdpi ag (15)
mdpi (13)
academic press inc. (11)
taylor & francis ltd (11)
academic press inc elsevier science (8)
grey house publishing, inc (8)
nation company, l. p. (6)
oxford university press / usa (6)
public library of science (5)
springer (5)
american association of neurological surgeons & the journal of neurosurgical publishing group (4)
gale (4)
gannett company, inc. (4)
hindawi limited (4)
pappin communications (4)
public library of science (plos) (4)
pwxyz llc (4)
springer-verlag (4)
american chemical society (3)
biomed central (3)
clemson university press (3)
hanley wood media, inc. dba zonda media (3)
louisiana state nurses association (3)
palgrave macmillan ltd. (3)
us news & world report, l.p. (3)
walter de gruyter, berlin / new york (3)
american institute for cancer research (2)
association of governing boards of universities & colleges (2)
haymarket media group ltd (2)
birkhauser verlag, basel (1)
glasgow caledonian university (1)
indiana university (1)
minnesota medical assn. [etc.] (1)
north-holland publishing co., amsterdam (1)
pwn---polish scientific publishers, warsaw (1)
springer, cham (1)